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Shandong Desbone International Co.,Ltd engaged in iron ore, nickel ore, chrome ore, manganese ore and sulphur import trade, and also in the export of steel, architectural material and agricultural products.

山东德世邦国际贸易有限公司多年从事有色金属特别是铁石、镍、铬、锰、铜、硫磺等产品的进口,以及钢铁相关产品和建材、水产品、农副产品等产品的出口贸易,实现业务多元化。

Suddenly and violently ·rare blessing's netizen to concern answer enforcement and can reach to 90%, now repair D lately already Be testing a stage, wait for an end examining, don't having an accident will release publicly at the end of the year!

hum的tank基本是废了,ei 和Ts地图分的怪估计要变成象TM分一样。不知道增加树妖经验值20%是什么意思,吹风打orc怎么办?还要这样加强orc,orc打hum是容易多了,可ud怎么活啊。。。。

Based on a study of characteristics of element associations and structural superimposed halos at different ore-forming stages of the Diaoquan skarn silver-copper deposit in Lingqiu County of Shanxi Province,the authors established a structural superimposed halo model for prognosis of blind ore bodies at the depth of the ore deposit.

在研究山西灵丘刁泉矽卡岩型银铜床不同成阶段元素组合及床构造叠加晕特征的基础上,建立了床深部盲预测的构造叠加晕模型,用模型预测,取得了很好找盲效果。

Process development for the gold concentrate roasting- cyanide leaching in China;2. The feasibility study of extracting gold by liquid membrane techuique from the pulp of cyanide leaching ;3. Discussion on the cause of low silver leaching rate taken place in gold and silver cyanide leaching and ways to increase it

加强充气搅拌预氧化可将含金硫化在磨过程中产生的、对氰化浸出有害的难免离子氧化成对氰化浸出无害的离子,同时在磁黄铁和白铁颗粒表面生成Fe3薄膜,阻止了它们的进一步溶解,从而大大提高了金银的氰化浸出率。

To reduce stress concentration and bending stress on the screw joint, and decrease vibration transmission through the pipes, spherical joint was used to connect lifting pipes to replace screwed connection in lifting pipes of deep-sea mining system.

摘 要:为了减弱深海采系统中扬管道螺纹连接处的应力集中与弯曲应力,并减小振动在管壁内的传递,采用球铰接头对扬硬管进行连接,替代原有的螺纹连接。

By this method,a sample of ground ore can be ascertained in the short time of a day whether it is refractory,whether it is necessary to be treated in the presence of acidic medium or alkaline medium and what oxidant should be employed.

在拿到磨细石后一天内就可判断出这种石是易处理,还是难处理,是需要在酸性介质中处理还是需要在碱性介质中处理,以及选择多大氧化能力的氧化剂。

Analyzed the reason of high sulphur content in concentrated iron powder and studied the influence of milling fineness, PH value of pulp, used quantity of activator on rate of recovery of floatation adopting 307 ore sample as sample.

以307#样为试样,分析了铁精粉含硫高的原因,研究了磨细度、浆pH值、捕收剂及活化剂用量等对浮选回收率的影响。

According to the heavy-liquid separation test, the embedded granularity survey of tungsten minerals and shaking-table test of ore sample grading, the -0.7 mm granularity is determined to be selected for the gravity concentration test. The ores will be smashed below -0.7 mm . The useful minerals should not be excessively smashed. The reasonable technology procedure of ore grinding can guarantee the indexes of gravity concentration in a long length.

依据重液分离试验结果、钨物嵌布粒度结果及样分级摇床试验结果,确定重选试验的入选粒度为-0.7mm ,欲将石碎至-0.7mm 以下,又使有用物尽可能减少过粉碎,选择合理的磨工艺流程是确保重选指标的关键。

The motion of manganese nodules in the hoist pipe for the deep sea mining was forecasted by the model. By the simulated results, the smaller nodules, the proper hoist flow velocity and the suitable transportation concentration will ensure the safety and efficiency of the hoist system.

利用该数值模型对锰结核粗颗粒在深海采管中运动的预测结果表明,为保证锰结核粗颗粒水力提升扬管的安全,应当控制最大颗粒粒径,并采用适中的输送速度和输送浓度。

And the thin degree of mineral is very thin. If want to achieve the rich purpose to collect the iron through rub the tailing again to separate the silicon and irons from the ore, it is very difficulty and the cost is too expensive.

由于浮选后的精品位不高,尾产生量大,其铁品位在43%左右,且原细度已经很细,如果想通过尾再磨,分离石中的硅和铁,达到富集铁的目的,难度很大,且成本不合算。

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